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Add type checkers for lsh/immediate and rsh/immediate

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* module/language/cps/types.scm (lsh/immediate, rsh/immediate): New type
  checkers.
This commit is contained in:
Andy Wingo 2020-02-12 15:57:12 +01:00
parent a706b7e465
commit 7dc90a17e0
1 changed files with 3 additions and 1 deletions
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4
module/language/cps/types.scm
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@ -1,5 +1,5 @@
;;; Type analysis on CPS ;;; Type analysis on CPS
;;; Copyright (C) 2014-2019 Free Software Foundation, Inc. ;;; Copyright (C) 2014-2020 Free Software Foundation, Inc.
;;; ;;;
;;; This library is free software: you can redistribute it and/or modify ;;; This library is free software: you can redistribute it and/or modify
;;; it under the terms of the GNU Lesser General Public License as ;;; it under the terms of the GNU Lesser General Public License as
@ -1383,6 +1383,7 @@ minimum, and maximum."
(&min/0 count) (&min/0 count)
(&max/u64 count)))) (&max/u64 count))))
(define-exact-integer! result min max))) (define-exact-integer! result min max)))
(define-simple-type-checker (lsh/immediate &exact-integer))
(define-type-inferrer/param (lsh/immediate count val result) (define-type-inferrer/param (lsh/immediate count val result)
(restrict! val &exact-integer -inf.0 +inf.0) (restrict! val &exact-integer -inf.0 +inf.0)
(let-values (((min max) (compute-ash-range (&min val) (let-values (((min max) (compute-ash-range (&min val)
@ -1396,6 +1397,7 @@ minimum, and maximum."
(- (&min/0 count)) (- (&min/0 count))
(- (&max/u64 count))))) (- (&max/u64 count)))))
(define-exact-integer! result min max))) (define-exact-integer! result min max)))
(define-simple-type-checker (rsh/immediate &exact-integer))
(define-type-inferrer/param (rsh/immediate count val result) (define-type-inferrer/param (rsh/immediate count val result)
(restrict! val &exact-integer -inf.0 +inf.0) (restrict! val &exact-integer -inf.0 +inf.0)
(let-values (((min max) (compute-ash-range (&min val) (let-values (((min max) (compute-ash-range (&min val)